.title-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  height: 44px;
  line-height: 44px;
  align-items: center;
  background-color: #fff;
  box-shadow: 0 0.5px 0 rgba(0, 0, 0, 0.1);
  z-index: 9999;
  // position: relative;
}

.tb-left,
.tb-right {
  min-width: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tb-back {
  width: 24px;
  height: 24px;
}

.tb-center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  // position: absolute;
  // left: 50%;
  // transform: translate(-50%);
}

.tb-title {
  font-size: 17px;
  font-weight: bold;
  color: #000000;
  width: 160px;
  text-align: center;
  height: 44px;
  line-height: 44px;
}

.title-bar-light {
  background-color: #fff;
  box-shadow: 0 0.5px 0 rgba(0, 0, 0, 0.1);
}

.title-bar-dark {
  background-color: #000;
  box-shadow: none;
}

.tb-title-light {
  color: #000;
}

.tb-title-dark {
  color: #fff;
}

.tb-icon {
  width: 24px;
  height: 24px;
  margin-left: 12px;
}